Menthol is a common ingredient of nasal inhalers and has similar properties as naphthalene. What technique can be used to separate a mixture of menthol and sand?

Q: When water boils, what are the bubbles composed of?

A: Boiling point can be defined as the temperature at which the vapor pressure of the liquid becomes…

Q: if there is 12 drops in 1 gallon how many drops will be in 25mL

A: Given: 12 drops are present in 1 gallon. Drops present in 25 mL = ?

Q: Which microscopic representation best represents a solution?

A: A homogeneous mixture in which two or more substances are mixed is termed as a solution. We have…

Q: A student needs 362 mL of 1.10 M sodium nitrate solution. If the stock solution is 2.25 M, how much…

A: Given:  Concentration of stock solution, M1 = 2.25M  Volume of stock solution needed, V1 = ?…

Q: A physician orders 20 mcg of Lanoxin every 12 hours. 1mg/100mg lanoxin is available. How many will…

A: Drugs are available in formulations that can be easily applied on or taken in by the patient…

Q: ilculate the hydroxide ion concentrati .0100 M sodium hypochlorite solutio .33x10-7 5.8x10-5 8x10-4

A:

Q: In distillation, why is it the formation of bubbles inside the container not desirable?

A: Bubbles containing vapors often form within the distillation liquid.

Q: If  niferex liquid solution provides 10 mg of elemental iron in 1 teasepoonful, how many mL of…

A: We need to calculate mL of solution required to provide 55 mg of elemental iron.

Q: e This diagram shows the apparatus used for distillation. What is the function of part X?

A: Distillation is one of the oldest and still most common methods for both the purification and the…

Q: How could you experimentally distinguish between asaturated solution and a supersaturated solution?

A: How a saturated solution and supersaturated solution experimentally distinguished has to be…

Q: What is the process by which sediment comes to rest

A:

Q: During a laboratory experiment, a student mixed two homogeneous aqueous solutions.  After mixing a…

A: The final solution is having solids present in the solution. Hence to separate the solid from the…

Q: What kind of change is present in dissolving salt in water? Rusting of iron?

A: Physical change refers to a change in which the molecules are rearranged but their internal…

Q: Which will have a higher boiling temperature, a mixture containing more water or a mixture…

A: The boiling point of a fluid is the temperature at which the vapor pressure of a liquid equals the…

Q: Potassium hydroxide (KOH), glucose and methylene blue are added together in a test tube. Why did we…

A: in laboratory there are several techniques are used to mix the solutions. When we are using 3…

Q: Consider substances A and B. Substance A is soluble in hot water, but not in cold water. Substance B…

A:

Q: What is the purpose of the laboratory exercise about simple distillation and fractional distillation

A: To refining the liquid through a separation process is known as distillation. The main purpose…

Q: What is the solution ? Physical Chemistry

A: Photon is the elementary particle  and it is quantum of  electromagnetic  field

Q: Substances like sodium chloride that (A) in water and conduct an (B) are called (C). Substances like…

A: Electrolyte is defined as a substance that dissociates into ions when present in a solution whereas…

Q: Question 5: You need to use distillation to separate a mixture consisting of the components in…

A:

Q: What are the techniques used to standardize a solution?

A: Standardization of a solution can be defined as a way of finding accurate cocentration of that…

Q: PURE АСЕTONE A В PURE PURE WATER TRICHLOROETHANE

A:

Q: _____4. The ff can be used for boiling a solution of salt, EXCEPT a) beaker b) Bunsen burner c)…

A: Analytical chemistry is branch of chemistry which is used to separate, identify, and quantify…

Q: At the pool supply store when you buy chlorine it is like tablets/or pebbles you mix with the pool…

A: Chlorine is the main chemical which is used in swimming pools for sterilizing the water and  keep it…

Q: Phosphoric acid is added to some sodas to enable more sugar to be dissolved. Some sodas have…

A: The question is based on the concept of mass percentage. The amount of substance present in hundred…

Q: A solution is the same as a compound homogeneous mixture heterogenous mixure element

A: The homogeneous mixture of two or more substances is known as a solution. The solution is made from…

Q: What is meant by the statement “table sugar is soluble inwater”?

A: Table sugar is name of sucrose ( C12H22O11). Table sugar soluble in water means it forms homogenous…

Q: How many mL 12.0M nitric acid are needed to make 625mL 0.11M nitric acid?

A:

Q: At room temperature 100mL of water will dissolve 36.0g of salt. How many grams of salt will dissolve…

A: At room temperature 100 mL of water will dissolve 36.0g of salt. The mass (grams) of salt that will…

Q: a mixture containing only water and salt must be boiled to seperate the salt from water true or…

A: Yes the above statement is TRUE. But the above boiling must be done in a distillation flask.

Q: ter bath properly carried

A: The laboratory equipment which is used to incubate samples for some period of time is water bath. It…

Q: Why is it necessary that the oil bath/water bath is stirred while heating?

A: Given  Why is it necessary that the oil bath/water bath is stirred while heating?

Q: Match the following samples of hydrocarcon (Column A) to its appropriate physical property and…

A:

Q: How many uses of salt can you think of?

A: Salt is a mineral that is predominantly made up of sodium chloride (NaCl), a chemical component that…

Q: How many milliliters of pure hydrogen peroxide would you use to make one liter of a 20% hydrogen…

A: The volume of solute in milliliter present in 100 mL solution is known as the volume percent…

Q: Devise a flowchart to separate a mixture of sand, iron fillings, ethanol, water, and table salt

A: Given mixture,       Mixture of sand, iron fillings, ethanol, water, and table salt

Q: What is the principle behind when flour, butter and water is combined?

A: Concept - Here the principle that is working is hydration process.  A hydration reaction is a…

Q: More than 40% of the world's population has limited access to clean water. One proposed method for…

A: Reverse osmosis is a technique which is used to remove or separate the salt from the saltwater…

Q: Suppose you had a sample of a white crystalline solid that was a mixture of calcium carbonate and…

A: Calcium Carbonate is CaCO3 and Calcium Chloride is CaCl2. The mixture of Calcium Carbonate and…

Q: which salt best for keeping roads from icing

A: Addition of salt to water lowers the freezing point of the ice-water solution. As ice comes in…

Q: What are the phases that methanol, chloroform and water will form when they are mixed using the…

A: Methanol (CH3OH) and water (H2O) are polar solvents.  Chloroform (CHCl3) is also a polar molecule…

Q: In distillation, the composition of the volatile component is governed by which law? * Your answer

A: Distillation :- It is a method of purification of liquids which differs in their boiling points. The…

Q: During a laboratory experiment, a student mixed two homogeneous aqueous solutions.  After mixing a…

A: Since the solution is having a precipitate in it. Hence we want to separate the solid from liquid.

Q: The spectroscopic data given in the table was generated for two different concentrations of a…

A: Plot is

Q: A first aid manual suggests that vinegar should be used to treat wasp sting and baking soda for bee…

A: Given: A first aid manual suggests that vinegar should be used to treat wasp sting and baking soda…

Q: A solution is made using 450.0 mL of isopropanol (density 0.7860 g/mL) and 845.5 mL of water…

A: Mass of isopropanol = density × volume = 0.7860 g/ml × 450.0 ml = 353.7 g Mass of water  = density ×…

Q: Differentiate volumetric solution and test solution

A: Both the type of solutions can be prepared in Chemistry laboratory.